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You would like to store 9.4J of energy in the magnetic field of a solenoid. The solenoid has 630 circular turns of diameter 6.4cm distributed uniformly along its 25cm length.
Part A) How much current is needed?
Answer in: I = _______ A
Part B) What is the magnitude of the magnetic field inside the solenoid?
Answer in: B = _________ T
Part C) What is the energy density (energy/volume) inside the solenoid?
Answer in: uB = _________ kJ/m^3
Explain how long will it take her to reach the bottom of the hill, assuming she starts from rest and accelerates uniformly, if the elevation change is 425 {rm m}?
An air molecule is moving at a speed of 455 m/s. How many meters would the molecule move throughout 7ms (milliseconds) if it didn't collide with any other molecules.
What is the gravitational energy of stone-Earth System
Suppose a proton and an alpha particle each have kinetic energy 8.6MeV. Find speed of the alpha particle
parachutist with a camera, both descending at a speed of 13 m/s, releases that camera at an altitude of 110-m.
A dockworker applies a constant horizontal force of 72.0N to a block of ice on a smooth horizontal floor, What is the mass of the block of ice
An 8.3kg crate is pulled 4.9m up a 30? incline by a rope angled 19? above the incline. What is the increase in thermal energy of the crate and incline
A pair of eyeglass frames are made of an epoxy plastic (coefficient of linear expansion = 1.30 10-4°C-1). To what temperature must the frames be heated
In a period of 1.4 s, 5.0 1023 nitrogen molecules strike a wall of area 8.9 cm2. find the pressure exerted on the wall
Assuming biological substances are 98 percent water, estimate the masses of a cell with a diameter of 0.7 µm, a human kidney, and a fly. Take a kidney to be roughly a sphere with a radius of 5.0 cm and a fly to be roughly a cylinder 4.90 mm long a..
A 200g block is suspended from a vertical spring, causing the spring to strech by 20 cm, What is the speed of the block when it is 5.0cm above the equilibrium position
find the velocity of the plane relative to the ground.
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